A Study On Stress-induced Martensite Transformation In 47Zr-45Ti-5Al-3V Alloy

Home > Archive>Volume 47, Issue 12, 2018 >3789-3794

A Study On Stress-induced Martensite Transformation In 47Zr-45Ti-5Al-3V Alloy
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                        Yuanbiao Tan1Yuanbiao Tan
Guizhou Key Laboratory of Materials Structure and Strength,College of Materials and Metallurgy,Guizhou University
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Wenchang Liu2Wenchang Liu

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Wei Shi1Wei Shi
Guizhou Key Laboratory of Materials Structure and Strength,College of Materials and Metallurgy,Guizhou University
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Song Xiang1Song Xiang
Guizhou Key Laboratory of Materials Structure and Strength,College of Materials and Metallurgy,Guizhou University
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Fei Zhao1Fei Zhao
Guizhou Key Laboratory of Materials Structure and Strength,College of Materials and Metallurgy,Guizhou University
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Yilong Liang1Yilong Liang
Guizhou Key Laboratory of Materials Structure and Strength,College of Materials and Metallurgy,Guizhou University
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Affiliation:Guizhou Key Laboratory of Materials Structure and Strength,College of Materials and Metallurgy,Guizhou University
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Abstract:

The stress-induced martensite transformation in β solution treated 47Zr-45Ti-5Al-3V alloy was investigated using Gleeble 3500 thermomechanical simulator and D/MAX-2500/PC X-ray diffractometer. The amount of stress-induced martensite in compressive deformation increased with decreasing strain rate and initial β grain size. The triggering stress increased with increasing strain rate and initial β grain size, while the ultimate compressive strength decreased. The curve of work-hardening rate vs. true stress was divided into three stages. The work-hardening rate at stage ΙΙ or ΙΙΙ increased with decreasing strain rate and initial β grain size.

Key words:47Zr-45Ti-5Al-3V alloy; Heat treatment; Mechanical properties; Martensitic transformations.

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[Yuanbiao Tan, Wenchang Liu, Wei Shi, Song Xiang, Fei Zhao, Yilong Liang. A Study On Stress-induced Martensite Transformation In 47Zr-45Ti-5Al-3V Alloy[J]. Rare Metal Materials and Engineering,2018,47(12):3789~3794.]
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Received:March 17,2017
Revised:May 15,2017
Adopted:June 23,2017
Online: January 04,2019
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